The story
From chao- (in a Paracelsian sense "atmosphere") + -mancy. By surface analysis, chao- + -mance + -y.
Etymology from Wiktionary, CC BY-SA 4.0.
chaomancy
Today it means: Divination by aerial visions, a form of aeromancy. Full definition →
Today it means: Divination by aerial visions, a form of aeromancy. Full definition →